Home / 8,668.56-13,001.20-3,403.36

Finding the Fourth Proportional to 8,668.56, 13,001.20 and 3,403.36

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Solution

The fourth proportional to 8,668.56, 13,001.20 and 3,403.36 is: 5,104.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,668.56 : 13,001.20 = 3,403.36 : x
  2. Step 2: Convert to fraction form
    8,668.56/13,001.20 = 3,403.36/x
  3. Step 3: Cross multiply
    8,668.56x = 13,001.20 × 3,403.36
  4. Step 4: Simplify right side
    8,668.56x = 44,247,764.03
  5. Step 5: Solve for x
    x = 44,247,764.03/8,668.56
  6. Step 6: Final answer
    x = 5,104.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.